To unlock the blue, green, red, and yellow Ravage ATVs, successfully complete the training course . Play ATV Offroad Fury and save the game. Use the same memory card with ATV Offroad Fury 2 and create a new profile. If done correctly, a message will appear that says the G-Ride ATV and all G-accessories have been unlocked.
Talon quads
To get the Talon bikes 4 of them beat the training mode and it will say you have unlocked the Talons.
Extra Gear
If you have ATV Off Road Fury, put it in and save the game. Then you put part 2 in and create a new profile, Save it on the same memory card! After it gets done it will say G-Ride stuff has been unlocked. You get Boots, Gloves, a Helmet, Clothing, and a pimped out ATV!
Ravage ATVs
To unlock Ravage ATVs, complete the training course.